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Polymer chains

Real time observation of conformational switching in single conjugated polymer chains

Real time observation of conformational switching in single conjugated polymer chains

... the polymer chains in a good solvent and fast PL intensity ...disordered chains with a large number of conjugated segments across which energy transfer does not occur ...MEH-PPV chains ...

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Single polymer chains

Single polymer chains

... single chains from the surface-bound ...larger chains: these events persist over a hundred or more nanometres indicating that the chains involved are at least that long and considerably longer than ...

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Competing irreversible cooperative reactions on polymer chains

Competing irreversible cooperative reactions on polymer chains

... We analyze model processes involving competition between several irreversible reactions at the sites of a 1D, infinite, uniform polymer chain. These reactionscan be cooperative, i.e., the corresponding rates ...

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Synthesis of pH-responsive tertiary amine methacrylate polymer brushes and their response to acidic vapour

Synthesis of pH-responsive tertiary amine methacrylate polymer brushes and their response to acidic vapour

... the corresponding free polymer chains. The kinetics of brush swelling involves an initially fast regime followed by a subsequent slower regime. Reversible surface energy switching with pH modulation was ...

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Surface initiated SET living radical polymerisation for the synthesis of silica–polymer core–shell nanoparticles

Surface initiated SET living radical polymerisation for the synthesis of silica–polymer core–shell nanoparticles

... the polymer grafts. For instance, the polymer graft length and grafting density has been shown to impact the circulation lifetime 8 and cytotoxicity 9 of administered nanomaterials, as well as the ...

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The α- and β-Relaxation Processes of Polymeric Chitosan from Squid Gladii as Revealed by Dynamic Mechanical Analysis

The α- and β-Relaxation Processes of Polymeric Chitosan from Squid Gladii as Revealed by Dynamic Mechanical Analysis

... From the graph in Figure 2, two basic relaxation processes in the above mentioned range of temperatures and frequencies were observed. The two transitions (delta peaks) were noted in the temperature range of 303K – 323K ...

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Olefin metathesis: a versatile tool for the synthesis of small to large molecules

Olefin metathesis: a versatile tool for the synthesis of small to large molecules

... ROIMP polymer was successfully prepared from N,N-diphenyl 1,6-hexyl diacrylic amide and cyclooctene, yielding polyamides with excellent yield and alternation and with moderate molecular weight (Scheme ...

137

Features of Electroconductivity of γ-Irradiated  Composites in Heating-Cooling Conditions

Features of Electroconductivity of γ-Irradiated Composites in Heating-Cooling Conditions

... conductivity observed at γ-irradiation up to 200kGy, is caused by ionization. Ionization supplies capability of displacement of the charges (free electrons and positive ions) which can participate in the process of ...

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VonWald_unc_0153D_18993.pdf

VonWald_unc_0153D_18993.pdf

... conjugated polymer brushes grown from the mixed ML seeds will have a lower grafting ...dense polymer brush with more horizontally oriented polymer chains, which will in turn affect charge ...

194

Conductivity and Microstructure Study of PLA-Based Polymer Electrolyte Salted With Lithium Perchloride, LiClO4

Conductivity and Microstructure Study of PLA-Based Polymer Electrolyte Salted With Lithium Perchloride, LiClO4

... of polymer electrolyte, further investigate on the characteristic of salt towards PLA is ...of polymer electrolyte with their highest ionic ...of polymer chains would contribute to the ...

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Research on the Noncovalent Interactions in the Carbon based Nanostructures

Research on the Noncovalent Interactions in the Carbon based Nanostructures

... of polymer arrays of carbon-based materials through the noncovalent interactions and the calculated characteristics of the intermolecular ...phenyl polymer chains in the ...prepared polymer ...

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“Novel Strategic Innovations for Designing Drug Delivery Systems using Molecularly Imprinted Micro/Nanobeads” by Roongnapa Suedee, Thailand.

“Novel Strategic Innovations for Designing Drug Delivery Systems using Molecularly Imprinted Micro/Nanobeads” by Roongnapa Suedee, Thailand.

... swollen, polymer matrix surrounding conditions that binding parameters would influence profoundly the access of substances and ions to the membranes present on the imprinted ...

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In Situ Probing the Relaxation Properties of Ultrathin Polystyrene Films by Using Electric Force Microscopy

In Situ Probing the Relaxation Properties of Ultrathin Polystyrene Films by Using Electric Force Microscopy

... demonstrated, polymer chains in the ultrathin films begin to relax and loosen once the temperature is beyond a threshold, which accordingly accelerates the discharging behavior ...

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Composite and Fiber Applications of Polymers Restructured via Nanoconfinement and Subsequent Release

Composite and Fiber Applications of Polymers Restructured via Nanoconfinement and Subsequent Release

... melt, polymer chains from these self-nucleated or coalesced samples do not rapidly diffuse into the matrix, and upon cooling will crystallize before the matrix and retain their distinct ...

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Investigating the structure and composition of macromolecules using electrospray deposition coupled with scanning tunnelling microscopy

Investigating the structure and composition of macromolecules using electrospray deposition coupled with scanning tunnelling microscopy

... in polymer chains in OPV 9 , or even more so the limit on chain length of polythiophenes 10 commonly used in photovoltaic devices, where the authors explicitly state that longer molecules could not be ...

187

Self assembly of cyclic polymers

Self assembly of cyclic polymers

... including polymer composition, concentration, water content, assembly technique and the presence of ...constituent polymer chains with respect to unimer exchange and the employed method of ...

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Adsorption of comb copolymers on weakly attractive solid surfaces

Adsorption of comb copolymers on weakly attractive solid surfaces

... of polymer systems at finite ...lattice. Polymer seg- ments located at the tips of side chains in comb polymers or equally spaced in linear polymers are attracted to each other and to the surface by ...

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Photoelectric Properties of Silicon Nanocrystals/P3HT Bulk Heterojunction Ordered in Titanium Dioxide Nanotube Arrays

Photoelectric Properties of Silicon Nanocrystals/P3HT Bulk Heterojunction Ordered in Titanium Dioxide Nanotube Arrays

... the polymer chain packing inside small nanotubes can be fundamentally dif- ferent from the chain packing in a bulk film ...the polymer chains allows the delocalization of excitons over multiple ...

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Abstract: The thermal lubrication of an entangled polymeric liquid in wall-driven shear flows

Abstract: The thermal lubrication of an entangled polymeric liquid in wall-driven shear flows

... of polymer chains is dominated by the local shear flow so that the anisotropy of the bond orientation tensor grows as the drive force ...of polymer chains so that the bond orientation tensor ...

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Rapid formation of large molecular weight alpha polymers in cross linked fibrin induced by high factor XIII concentrations  Role of platelet factor XIII

Rapid formation of large molecular weight alpha polymers in cross linked fibrin induced by high factor XIII concentrations Role of platelet factor XIII

... alpha- polymer formation was incomplete with residual alpha-monomer remaining, but higher platelet counts facilitated more rapid cross-linking into larger ...alpha-polymer chains are heterogeneous in ...

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